JPH07177530A - 適応ビデオ信号圧縮回路 - Google Patents

適応ビデオ信号圧縮回路

Info

Publication number
JPH07177530A
JPH07177530A JP6239054A JP23905494A JPH07177530A JP H07177530 A JPH07177530 A JP H07177530A JP 6239054 A JP6239054 A JP 6239054A JP 23905494 A JP23905494 A JP 23905494A JP H07177530 A JPH07177530 A JP H07177530A
Authority
JP
Japan
Prior art keywords
color
signal
processing circuit
video signal
signal processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6239054A
Other languages
English (en)
Japanese (ja)
Inventor
Rooij Johannes H J M Van
ヘンリカス ヨゼフ マリア ファン ローエイ ヨハネス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of JPH07177530A publication Critical patent/JPH07177530A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/86—Camera processing pipelines; Components thereof for processing colour signals for controlling the colour saturation of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
JP6239054A 1993-10-01 1994-10-03 適応ビデオ信号圧縮回路 Pending JPH07177530A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9301030A BE1007590A3 (nl) 1993-10-01 1993-10-01 Videosignaalverwerkingsschakeling.
BE09301030 1993-10-01

Publications (1)

Publication Number Publication Date
JPH07177530A true JPH07177530A (ja) 1995-07-14

Family

ID=3887384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6239054A Pending JPH07177530A (ja) 1993-10-01 1994-10-03 適応ビデオ信号圧縮回路

Country Status (5)

Country Link
US (1) US5555031A (de)
EP (1) EP0647069B1 (de)
JP (1) JPH07177530A (de)
BE (1) BE1007590A3 (de)
DE (1) DE69414968T2 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051089A1 (fr) * 1997-05-07 1998-11-12 Sony Corporation Processeur de signaux d'images, camera video couleur et procede de traitement de signaux d'images
JP2001045514A (ja) * 1999-06-30 2001-02-16 Thomson Licensing Sa クロマ過負荷保護装置
JP2001306054A (ja) * 2000-04-24 2001-11-02 Mitsubishi Electric Corp 表示装置
JP2005057748A (ja) * 2003-07-22 2005-03-03 Hitachi Kokusai Electric Inc 色調補正回路及び色調補正方法
JP2007129610A (ja) * 2005-11-07 2007-05-24 Hitachi Kokusai Electric Inc 高輝度圧縮回路、高輝度圧縮処理方法およびテレビジョンカメラ
US7773158B2 (en) 2005-10-12 2010-08-10 Panasonic Corporation Visual processing device, display device, and integrated circuit
US7881550B2 (en) 2006-04-28 2011-02-01 Panasonic Corporation Visual processing apparatus, visual processing method, program, recording medium, display device, and integrated circuit
US7881549B2 (en) 2005-10-12 2011-02-01 Panasonic Corporaiton Visual processing device, display device, visual processing method, program, and integrated circuit
US7894684B2 (en) 2006-04-19 2011-02-22 Panasonic Corporation Visual processing device, visual processing method, program, display device, and integrated circuit
JP2017536735A (ja) * 2014-10-10 2017-12-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ダイナミックレンジマッピングのための彩度処理仕様

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3134660B2 (ja) * 1994-04-14 2001-02-13 松下電器産業株式会社 色変換方法および色変換装置
FR2734116B1 (fr) * 1995-05-12 1997-06-13 France Telecom Procede transmission de signaux de television en couleurs et systeme de codage et de decodage pour la mise en oeuvre de ce procede
KR0183795B1 (ko) * 1995-12-28 1999-05-01 김광호 색상 조정 방법 및 장치
DE69736341T2 (de) * 1996-04-12 2007-07-19 Sony Corp. Videokamera, Videosignalverarbeitung, Videosignalkompression, und Videosignalumsetzung
US5798801A (en) * 1996-05-08 1998-08-25 U.S. Philips Corporation Arrangement for providing vivid color in a television signal
US5900952A (en) * 1996-10-15 1999-05-04 Xerox Corporation System for converting color image signals having high-frequency components from RGB to CMY color spaces
CZ295874B6 (cs) * 1997-03-06 2005-11-16 Matsushita Electric Industrial Co., Ltd. Zařízení pro gama kompenzaci
DE19812526C2 (de) * 1998-03-21 2000-07-20 Philips Corp Intellectual Pty Anordnung zur Farbkorrektur von unerlaubten Farben
US6972793B1 (en) * 1998-12-26 2005-12-06 Sony Corporation Video signal processing device and its method
US6392713B1 (en) 2000-03-06 2002-05-21 Media 100 Inc. Digital processing amplifier
US6771311B1 (en) * 2000-12-11 2004-08-03 Eastman Kodak Company Automatic color saturation enhancement
KR100911815B1 (ko) * 2001-04-11 2009-08-12 엔엑스피 비 브이 콘트라스트 제어 방법, 신호 프로세싱 디바이스, 디스플레이 장치 및 컴퓨터 판독가능 매체
EP1404116A1 (de) * 2002-09-25 2004-03-31 Dialog Semiconductor GmbH Verfahren einer schnellen Farbsättigungskorrektur
JP4774757B2 (ja) 2004-09-17 2011-09-14 株式会社ニコン 画像処理装置、画像処理プログラム、電子カメラ、および画像処理方法
JP4844052B2 (ja) * 2005-08-30 2011-12-21 ソニー株式会社 映像信号処理装置と撮像装置および映像信号処理方法とプログラム
US8498332B2 (en) * 2006-09-21 2013-07-30 Qualcomm Incorporated Chroma supression features
JP5211521B2 (ja) * 2007-03-26 2013-06-12 株式会社ニコン 画像処理装置、画像処理方法、画像処理プログラム、およびカメラ
EP3430795A1 (de) 2016-03-14 2019-01-23 Koninklijke Philips N.V. Sättigungsverarbeitungsspezifikation für mappings mit dynamischem bereich
CN109348202B (zh) * 2018-08-01 2021-01-08 深圳朗田亩半导体科技有限公司 一种图像饱和度调整方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160001B (de) * 1962-01-31 1963-12-27 Fernseh Gmbh Verfahren zur AEnderung von Farbsignalen hinsichtlich ihrer Farbsaettigung
FR1473134A (fr) * 1966-01-14 1967-03-17 Csf Perfectionnement aux caméras de télévision en couleurs
FR2506549A1 (fr) * 1981-05-22 1982-11-26 Thomson Csf Dispositif de correction des informations couleur fournies par les tubes analyseurs d'une camera en vue d'ameliorer la perception des images
FR2575884B1 (fr) * 1985-01-08 1988-07-08 Thomson Video Equip Dispositif pour reduire la dynamique de trois signaux de couleur representant une image
US4757373A (en) * 1985-11-14 1988-07-12 U.S. Philips Corporation Amplifier circuit operative with an adaptive signal compression
DE3629403C2 (de) * 1986-08-29 1994-09-29 Agfa Gevaert Ag Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung
DE3629469C2 (de) * 1986-08-29 1994-10-06 Agfa Gevaert Ag Verfahren zur Einstellung der Farbsättigung bei der elektronischen Bildverarbeitung
GB2198008B (en) * 1986-11-21 1990-12-19 British Broadcasting Corp Limiting component video signals
JP2509346B2 (ja) * 1989-10-30 1996-06-19 池上通信機株式会社 カラ―テレビジョン映像処理装置
JPH03201697A (ja) * 1989-12-27 1991-09-03 Matsushita Electric Ind Co Ltd 映像信号補正方法及び映像信号補正装置
DE4203092A1 (de) * 1992-02-04 1993-08-05 Philips Patentverwaltung Verfahren zur kontrastkorrektur

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6515700B2 (en) 1997-05-07 2003-02-04 Sony Corporation Picture signal processing apparatus, color video camera and picture signal processing method
WO1998051089A1 (fr) * 1997-05-07 1998-11-12 Sony Corporation Processeur de signaux d'images, camera video couleur et procede de traitement de signaux d'images
JP4600952B2 (ja) * 1999-06-30 2010-12-22 トムソン ライセンシング クロマ過負荷保護装置
JP2001045514A (ja) * 1999-06-30 2001-02-16 Thomson Licensing Sa クロマ過負荷保護装置
JP2001306054A (ja) * 2000-04-24 2001-11-02 Mitsubishi Electric Corp 表示装置
JP2005057748A (ja) * 2003-07-22 2005-03-03 Hitachi Kokusai Electric Inc 色調補正回路及び色調補正方法
US8368814B2 (en) 2005-10-12 2013-02-05 Panasonic Corporation Visual processing device, display device, and integrated circuit for adjusting the contrast of an image
US7880814B2 (en) 2005-10-12 2011-02-01 Panasonic Corporation Visual processing device, display device, and integrated circuit
US7881549B2 (en) 2005-10-12 2011-02-01 Panasonic Corporaiton Visual processing device, display device, visual processing method, program, and integrated circuit
US8311357B2 (en) 2005-10-12 2012-11-13 Panasonic Corporation Visual processing device, display device, visual processing method, program, and integrated circuit
US7773158B2 (en) 2005-10-12 2010-08-10 Panasonic Corporation Visual processing device, display device, and integrated circuit
JP4572159B2 (ja) * 2005-11-07 2010-10-27 株式会社日立国際電気 高輝度圧縮回路、高輝度圧縮処理方法およびテレビジョンカメラ
JP2007129610A (ja) * 2005-11-07 2007-05-24 Hitachi Kokusai Electric Inc 高輝度圧縮回路、高輝度圧縮処理方法およびテレビジョンカメラ
US7894684B2 (en) 2006-04-19 2011-02-22 Panasonic Corporation Visual processing device, visual processing method, program, display device, and integrated circuit
US8406547B2 (en) 2006-04-19 2013-03-26 Panasonic Corporation Visual processing device, visual processing method, program, display device, and integrated circuit
US7881550B2 (en) 2006-04-28 2011-02-01 Panasonic Corporation Visual processing apparatus, visual processing method, program, recording medium, display device, and integrated circuit
US7903898B2 (en) 2006-04-28 2011-03-08 Panasonic Corporation Visual processing apparatus, visual processing method, program, recording medium, display device, and integrated circuit
US8401324B2 (en) 2006-04-28 2013-03-19 Panasonic Corporation Visual processing apparatus, visual processing method, program, recording medium, display device, and integrated circuit
JP2017536735A (ja) * 2014-10-10 2017-12-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ダイナミックレンジマッピングのための彩度処理仕様

Also Published As

Publication number Publication date
US5555031A (en) 1996-09-10
BE1007590A3 (nl) 1995-08-16
DE69414968D1 (de) 1999-01-14
EP0647069B1 (de) 1998-12-02
DE69414968T2 (de) 1999-06-17
EP0647069A1 (de) 1995-04-05

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